April, 12 – Cosmonauts Day

Yuri Gagarin 1934 – 1968

the Solar System the galaxy the universe the Milky Way planet satellite distance the Sun the Moon atmosphere star intergalactic spaceship astronaut telescope

Highlights of Manned Space Mission – Vostok 1 (USSR). Yuri Gagarin is the first to orbit the Earth – Vostok 6 (USSR). Valentina Tereshkova becomes the first woman in space – Voshod 2 (USSR). Alexey Leonov becomes first the first to leave a spaceship for a space walk – Apollo 8 (USA). First manned flight orbits the Moon Apollo 11 (USA). First manned Moon landing; Neil Armstrong and Edwin Aldrin walk on the Moon.

– Soyuz 19 (USSR) and Apollo 18(USA). The American and Soviet crews cooperate in experiments Soyuz T-15 (USSR). Russia launches a new new space station, MIR, into the Earth’s orbit (USA). Mars Orbiters were launched to study the Marsian weather, climate and water – USA, Russia, Europe and Japan work in cooperation and launch space probes, Mars, Lunar, Saturn and Pluto orbiters to explore the Earth.

Planets of the Solar System Mercury Neptune Earth Saturn Mars Venus Uranus Jupiter Planets of the Solar System Mercury Neptune Earth Saturn Mars Venus Uranus Jupiter